Why withdrawals from Binance to your LND Lightning Node might not work

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Note: this has no effect on the v4v.app service for most users, this post is purely for background information if you're interesting in the Lightning Network and its issues.

If you ARE trying to move sats from Binance onto v4v.app then it might affect you. I hope this will be fixed soon and if you really are stuck, leave a comment here.

Are you having trouble withdrawing Lightning from Binance?

I have been having trouble moving BTC Lightning from Binance to my own node for a few weeks. At first I thought Binance had done something strange to single out my node. I now know the reason and there's a reasonable explanation.

Version LND 0.18.3

For the last few weeks any attempt to withdraw Lightning from Binance to my LND based Lightning node would tell me "no route".

I could withdraw to another node: one which was ONLY connected to the rest of the Lightning network via my primary node but not to my primary (obviously withdrawing to this secondary node meant sats passing through my primary so route wasn't an issue).

After asking at LND Labs I found out that there is an issue with the current LND 0.18.3 version which inserts a whole lot of extra feature bits in the invoices.

This upsets Binance's withdraw system. The only answer is to use another system to receive sats that isn't running LND 0.18.3.

This has been fixed in the pending LND 0.18.4 release.

More Detail

Below is a side by side comparison of similar Lightning invoices generated by v4v.app on my test Lightning node running LND 0.18.0 and on my main Lightning Node running 0.18.3.

The issue is that 0.18.3 adds a plethora of unset "feature bits" to every invoice and there is no way to stop it.

Binance generally does not acccept any invoices with most of these feature bits, but it appears that their systems right now reject invoices with too many of these feature bits flagged as false as well.

Fix in 0.18.4

I've been told by Alex Bosworth (one of the main devs) the next version of LND has fixed this. So I'm just waiting for this fix.

In the meantime I work around it by sending funds to my development node and then transferring them back to the main node (which they pass through on the way!).

Raw invoices

LND 0.18.0

lnbc2500u1pns8ygcpp57s9tv8wtq50kqwly2r3nvxz538dculdt209x3prt6ntmexegdzuqd9vwc68vctswqhxgetkyp7zq4r9wd6zq6twwehkjcm9ypnx7u3qv4u8qmrpd9hxjmn8ypxyu3pqxqhrzwpwxvs8qun0vfkx2mfqwc68vttexej4q4eq0sszx56p23fjqv34xqcrqvpq0sszx56p23fjqg6rf3z5zn3qydmrganpwpcqcqzpgxqyz5vqsp58sctj4gc2he0td9pvaaxxrsg0462f7svydv6d4s9yrj3m45zh0nq9qxpqysgqdj98ntdupn9uwr7rysgatuyxs6a9vku3e5tal2cr0cwf0pnudwl3q7y53s5z7yl9zgk8rvkg0s4spjv268vql7hvp4rwqsfka534npsqj30vy4

LND 0.18.3

lnbc2500u1pns8yqgpp54mytjzkt93mnacrd9vpqsje2sa0kuxw8e8w5ls9pudkylh7vlswsd9vwc68vctswqhxgetkyp7zq4r9wd6zq6twwehkjcm9ypnx7u3qv4u8qmrpd9hxjmn8ypxyu3pqxqhrzwpwxvs8qun0vfkx2mfqwc68vttexej4q4eq0sszx56p23fjqv34xqcrqvpq0sszx56p23fjqg6rf3z5zn3qydmrganpwpcqcqzzsxqzxgsp570ke7way52ed6v4ts7hev9jzlxkrxast6gjp65r0ykpaxev5vqls9p4gqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqpqysgqwl98qxwjgsqyjmdsyxhyk8vtxwlw6cm5xxfue7e5k6uyt3a4s2v8d0vwsrnxe5v5v564n9ntq8khgaz3605g9c68qkw7sjgjyhayjwqqtz68zu

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